code: def test_unimplemented_yet(vector_store_handler):
      # select count(*) is not implemented yet
      sql = """
          SELECT count(*)
          FROM chroma_db.test_table
      """
      query = parse_sql(sql, dialect="mindsdb")
      with pytest.raises(Exception):
          vector_store_handler._dispatch(query)
  
file_path: mindsdb/tests/handler_tests/test_vectordatabase_dispatch.py
imports: from unittest.mock import Mock
  import pandas
  import pytest
  from mindsdb_sql import parse_sql
  from pandas.testing import assert_frame_equal
  from mindsdb.integrations.libs.vectordatabase_handler import FilterCondition, FilterOperator, VectorStoreHandler
label_desc: Use image node_id 4 for calling a global function with example usage: test_unimplemented_yet(vector_store_handler) without return types